1 - Vacation Nightmare

Hiking in the Montana mountains, trail engineer Todd Orr is attacked twice by grizzly bear protecting her cubs. And, during a vacation in the Bahamas, Tiffany Johnson is snorkeling when she finds herself face to face with a tiger shark

2 - 20-Foot Terror

Micki Glenn is attacked by a shark during a dive trip. Hours from the nearest medical facility, she has to rely on her husband and friends to save her life. And, a couple celebrating their wedding anniversary are attacked by a giraffe while on safari.

3 - Unseen Assailant

Paul Templer is leading a canoe safari on the Zambezi River near Victoria Falls when a hippopotamus bursts to the surface and drags him into the water; in Texas, an animal pounces on 5-year-old Jade DeMoss.

4 - Surviving for my Son

Wayne Petteway is attacked by an alligator while checking crab pots with his brother in North Carolina; in Arizona, Peter Baca is camping with his girlfriend and baby son when he is awoken by something attacking him through the walls of the tent.

5 - Hope and Prayer

Nicole Moore's vacation in Cancun, Mexico is cut short when she is attacked by a shark close to shore. In Tennessee, firefighter Kyle Watson and his family are hiking in the woods when he is bitten by a timber rattlesnake.

6 - Attacked in Alaska

7 - Nowhere to Hide

Allena Hansen is working on her ranch in the California desert with her two rescue dogs when she is attacked by a black bear. And in Cancun, Mexico, Jonathan Schoeneman is spearfishing with his best friend when he comes face to face with a crocodile.

8 - Dragged Below

Catherine Dwinnell is hiking in Alaska when she is struck from behind and attacked by a 1,000 pound moose. In Hawaii, Tony Lee is swimming a half mile from shore when something grabs him and drags him below the surface.

9 - Mountain Mayhem

Professional climber Greg Boswell is high up an ice-covered Canadian mountain in the middle of the night when he is charged by a grizzly bear. And in Upstate New York, a retired nurse is attacked by a rabid coyote.

10 - Close to Home

Colorado park ranger Andy Peterson is hiking when he crosses paths with a mountain lion and its prey; in Vancouver, Kari Toft is walking her dog just steps from her home when she is attacked by a vicious raccoon.

11 - Alone In The Wild

Twenty miles into a marathon in a remote part of New Mexico, Karen Williams finds herself caught between a bear and her cub; Steve Campbell is working on an oil pipeline in Alberta, Canada, when a mountain lion attacks him.

12 - A Christmas Miracle

On Christmas Eve, Matt Chenhall is walking with his two young daughters when he is attacked by a kangaroo; Lauren Fagen is volunteering at an animal sanctuary in South Africa when a lion reaches under a gate and pulls her legs through the bars.

13 - Fighting for Family

A bull shark attacks a triathlete who is training in Alabama; a father fights to survive after a rattlesnake bites him; a giraffe attacks a couple in Zambia; a girls' trip turns deadly in Cancun.